Update Engine Electronics (ME-SFI) Control Unit Software – 2019 Mercedes-Benz A-Class
Model 177 Ensure use of XENTRY Diagnosis version 09/2021 or higher. Before starting the work procedure, install the current version of all add-ons in XENTRY Diagnosis. Make sure to follow the operation steps exactly as described in XENTRY Diagnosis. Use a battery charger to ensure sufficient power supply of the vehicle on-board electrical system battery … Read more